Table 4.
Comparison of baseline and clinical characteristics between patients with different indications for Holter monitoring.
| Variable | Group 1a (n = 160) | Group 2b (n = 118) | p |
|---|---|---|---|
| Age | 76 ± 13 | 75 ± 15 | 0.47 |
| Female sex | 71 (45) | 60 (52) | 0.22 |
| Hypertension | 114 (72) | 86 (75) | 0.42 |
| Ischemic heart disease | 70 (44) | 30 (25) | < 0.01 |
| Abnormal baseline ECG | 97 (61) | 70 (61) | 0.98 |
| Baseline ECG abnormalities | |||
| ≥ 2 ECG abnormalities | 34 (21) | 23 (20) | 0.78 |
| Any BBB | 44 (28) | 19 (17) | 0.03 |
| 1st or 2nd degree AVB | 21 (13) | 15 (13) | 0.97 |
| Diagnostic Holter | 19 (12) | 18 (16) | 0.38 |
ECG electrocardiogram, BBB bundle branch block, AVB atrioventricular block.
aIncluding patients evaluated for unexplained dyspnea or chest pain.
bIncluding patients evaluated for palpitations, pre-syncope, and systemic emboli.